Home / 15,627.78-23,414.31-13,012.07

Finding the Fourth Proportional to 15,627.78, 23,414.31 and 13,012.07

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Solution

The fourth proportional to 15,627.78, 23,414.31 and 13,012.07 is: 19,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.78 : 23,414.31 = 13,012.07 : x
  2. Step 2: Convert to fraction form
    15,627.78/23,414.31 = 13,012.07/x
  3. Step 3: Cross multiply
    15,627.78x = 23,414.31 × 13,012.07
  4. Step 4: Simplify right side
    15,627.78x = 304,668,523.65
  5. Step 5: Solve for x
    x = 304,668,523.65/15,627.78
  6. Step 6: Final answer
    x = 19,495.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.